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Sagot :
Answer:
La fuerza que realiza el motor es 2035 N.
Explanation:
Podemos encontrar la fuerza del motor usando la siguiente ecuación:
[tex] F = ma [/tex] (1)
En donde:
m: es la masa del coche = 550 kg
a: es la aceleración
Se puede calcular la aceleración mediante la siguiente ecuación cinemática:
[tex] v_{f} = v_{0} + at [/tex] (2)
En donde:
[tex] v_{f}[/tex]: es la velocidad final del coche = 100 km/h
[tex] v_{0} [/tex]: es la velocidad inicial del coche = 0
t: es el tiempo = 7,5 s
Resolviendo la ecuación (2) para "a" tenemos:
[tex] a = \frac{v_{f} - v_{0}}{t} = \frac{100\frac{km}{h}*\frac{1000 m}{1 km}*\frac{1 h}{3600 s} - 0}{7,5 s} = 3,70 m/s^{2} [/tex]
Entonces, la fuerza es:
[tex] F = ma = 550 kg*3,70 m/s^{2} = 2035 N [/tex]
Por lo tanto, la fuerza que realiza el motor es 2035 N.
Espero que te sea de utilidad!
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